Product#: 3887023

1964-78 Chevrolet, GMC Exhaust Manifold Heat Riser Valve; Small Block; Car & Truck

Reproduction exhaust manifold heat riser valve for various 1964-78 General Motors passenger cars and truck models as listed below. The heat riser valve is located between the exhaust manifold and the head pipe and is used to...


Product#: 3890689

1967-72 Chevrolet; Exhaust Pipe Extension; Big Block; 2-1/2" O.D.

Reproduction short extension pipe which slips in between the exhaust manifold & the main header pipe and supports the exhaust pipe packing gasket. This item is manufactured in stamped steel replicating the original in quality...


Product#: 338471

1969-77 GM; Exhaust Manifold Heat Stove; Upper

OER™ reproduction exhaust manifold upper heat stove which is used with the air heat tube to preheat the air cleaner thermo-sensor. This item mounts on the RH (passenger side) exhaust manifold. The air tube is inserted...


Product#: 3750067

1957-79 V8 Small Block Exhaust Manifold Heat Riser, Without Valve

Stock replacement heat riser valves are available as well as "blank" plates for improved flow. {specs} Note: Images are shown from the bottom (pipe) side.


Product#: 338473

1969-81 GM; Exhaust Manifold Heat Stove; Lower

This lower heat stove was originally installed on 1969-81 models. For V8 engines as listed. {specs} Camaro Applications: 1969 8 cyl. with turbo 350 1969 8 cyl. with powerglide 1971 8 cyl. 4 bbl carb 402, 454 1972 8...


Product#: 3890382

1967-72 Chevrolet; Exhaust Pipe Extension; Small Block; 2" O.D.

Reproduction short extension pipe which slips in between the exhaust manifold & the main header pipe and supports the exhaust pipe packing gasket. This item is manufactured in stamped steel replicating the original in quality...


Product#: F15923

Flowmaster; 3.5" Collector To 3" System; Header Collector Ball Flange Set

This header collector set takes the place of messy three-bolt, flange-type connections and allows for a leak-free and gasket-free ball-flange type connection. Made in USA Emission Note: 50- State Legal This part is legal...


Product#: F15925

Flowmaster; 3" Collector To 2.5" System; Header Collector Ball Flange Set

This header collector set takes the place of messy three-bolt, flange-type connections and allows for a leak-free and gasket-free ball-flange type connection. Made in USA Emission Note: 50- State Legal This part is legal...


Product#: AK118B

1965-90 Chevrolet Big Block; Header Bolt Set; Polished Stainless Steel

Includes hex head bolts for 1965-90 Chevrolet big block headers. Set of 16 bolts in polished stainless finish.


Product#: AK119B

1955-86 Chevrolet Small Block; Header Bolt Set; Polished Stainless Steel

Includes polished stainless steel hex head bolts for small block headers. Set of 12 bolts.


Product#: AK118A

1965-90 Chevrolet Big Block; Header Bolt Set; Polished Chrome

Includes hex head bolts for 1965-90 Chevrolet big block headers. Set of 16 bolts in polished chrome finish.


Product#: AK119A

1955-86 Chevrolet Small Block; Header Bolt Set; Polished Chrome

Includes polished chrome hex head bolts for small block headers. Set of 12 bolts.


Product#: E247

1962-1978 Chevrolet Exhaust Flange; 2-1/2"; Small Block HP & Big Block; 396, 402, 427, 454

Correct reproduction of the original style exhaust flange designed for use with 1962-78 Chevrolet big block 396, 402, 427, 454 models. This flange is designed to secure the headpipe to the exhaust manifold. Fits 2-1/2" head...


Product#: 222734

Oxygen Sensor Plug M-18 Thread

Many headers for late model engines are equipped with an oxygen sensor bung in each header. When retrofitting a carburetor on late model engines, an oxygen sensor is not necessary. This plug seals the oxygen sensor bung on...


Product#: TT1009

Thermo-Tec® 1" x 15" x 1/16" Thick Off White Original Exhaust Insulating Wrap™

The original Exhaust Insulating Wrap™ was developed over 25 years ago by Thermo-Tec®. Wrapping headers maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust...


Product#: G5073K

1971-77 Impala; 1969-81 Camaro; 1969-79 Chevy II/Nova and other GM; SB Exhaust Manifold Heat Stove Rivet Set; 4 Pieces

Reproduction exhaust manifold heat stove rivet set for various 1969-82 Chevrolet models with a small block V8 engine. This high quality hardware set features original style fasteners with the correct finish. Rest assured you...


Product#: EMR002

1959-1974 V8 Exhaust Manifold Heat Riser With 2-1/2" Headpipe SB Hi-Perf, 348/409 Hi-perf, all BB

Heat riser valves are located between the exhaust manifold and the head pipe and are used to accelerate the warm up of a cold engine. A malfunctioning or frozen valve can cause loss of power or exhaust manifold damage. Fits...


Product#: 21103

Hedman Hedders; 3-Bolt Header Flange Reducers; 3" To 2-1/2"; Mild Steel

3-bolt flange header reducers from Hedman Hedders. These reducers have two flat mating surfaces with a gasket for a leak-free joint. Necessary gaskets and hardware included.


Product#: 14312

1968-78 Chevrolet Big Block; Exhaust Manifold Bolt Set; 16 Pieces

Reproduction exhaust manifold bolts used on big block engines from 1968-78. These are black, hardened bolts that feature the correct flanged head, just like original. {specs}